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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Dog Veterinary
Satisfied Customers: 30320
Experience:  University of California at Davis graduate veterinarian with 45 years of experience
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My 110# ***** pit is covered withwhat looks like hives...her

Customer Question

my 110# ***** pit bull is covered withwhat looks like hives...her diet has not changed the backyard is the same...any clues as to what might have caused this and benedryl isn't really working...any suggestions?
Submitted: 2 years ago.
Category: Dog Veterinary
Expert:  Dr. Michael Salkin replied 2 years ago.
Aloha! You're speaking to Dr. Michael Salkin
Can you upload a photo of Keela to our conversation? You can use the paperclip icon in the toolbar above your message box (not if you're using the chrome browser) or you can use an external app such as or I can be more accurate for you if I can see what you're seeing.
If an urticarial reaction such as hives is unresponsive to an antihistamine such as Benadryl dosed at 50 mg for Keela and repeated at 8-12 hour intervals as necessary, a corticosteroid such as prednisone administered at 0.25 mg/lb and repeated at 12 hour intervals should be considered.
Urticarial reactions can result from envenomations by flying insects and spiders, food allergy, vaccination, drug therapy, and even environmental variables such as temperature and humidity changes.